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   <div id="projectbrief">Generic and Reusable Parallel Pattern Interface</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_8fe860fea3f22bf52ea313aa42254690.html">ff</a></li><li class="navelem"><a class="el" href="dir_e3f2dcc09f9eddb6c51a92ee16dc93ad.html">detail</a></li>  </ul>
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<div class="title">simple_node.h</div>  </div>
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<a href="simple__node_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright 2018 Universidad Carlos III de Madrid</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * limitations under the License.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#ifndef GRPPI_FF_DETAIL_SIMPLE_NODE_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#define GRPPI_FF_DETAIL_SIMPLE_NODE_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fastflow__allocator_8h.html">fastflow_allocator.h</a>&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;ff/allocator.hpp&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;ff/node.hpp&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span>detail_ff {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Input, <span class="keyword">typename</span> Output, <span class="keyword">typename</span> Transformer&gt;</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl.html">   35</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1detail__ff_1_1node__impl.html">node_impl</a> : <span class="keyword">public</span> ff::ff_node_t&lt;Input,Output&gt; {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl.html#a19618783aec9ff4e9ac7682da1cd542c">   38</a></span>&#160;  <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl.html#a19618783aec9ff4e9ac7682da1cd542c">node_impl</a>(Transformer &amp;&amp; transform_op) : </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;      transform_op_{transform_op}</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  {}</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl.html#afca2a3e16d1d79239056f5fdf4bf3ab9">   42</a></span>&#160;  Output * <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl.html#afca2a3e16d1d79239056f5fdf4bf3ab9">svc</a>(Input * p_item) {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">new</span> (<a class="code" href="namespacegrppi_1_1detail__ff.html#a962751fa6395ebf8804aaf101910330f">ff_arena</a>) Output{transform_op_(*p_item)};</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;  } </div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  Transformer transform_op_;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;};</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Output, <span class="keyword">typename</span> Generator&gt;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html">   56</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1detail__ff_1_1node__impl.html">node_impl</a>&lt;void,Output,Generator&gt; : <span class="keyword">public</span> ff::ff_node {</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#ac41f4a352dd3459834321bbc4aaa36c8">   59</a></span>&#160;  <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#ac41f4a352dd3459834321bbc4aaa36c8">node_impl</a>(Generator &amp;&amp; generate_op) :</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      generate_op_{generate_op}</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  {}</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#a88835076f460dc7b3428955a97f0166f">   63</a></span>&#160;  <span class="keywordtype">void</span> * <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#a88835076f460dc7b3428955a97f0166f">svc</a>(<span class="keywordtype">void</span> *) {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    std::experimental::optional&lt;Output&gt; result{generate_op_()};</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keywordflow">if</span> (result) {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">new</span> (<a class="code" href="namespacegrppi_1_1detail__ff.html#a962751fa6395ebf8804aaf101910330f">ff_arena</a>) Output{*result};</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    }</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      <span class="keywordflow">return</span> EOS;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  Generator generate_op_;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;};</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Input, <span class="keyword">typename</span> Consumer&gt;</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html">   83</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrppi_1_1detail__ff_1_1node__impl.html">node_impl</a>&lt;Input,void,Consumer&gt; : <span class="keyword">public</span> ff::ff_node_t&lt;Input,void&gt; {</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#a5967e475fcad75b66cdf32bb7381d681">   86</a></span>&#160;  <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#a5967e475fcad75b66cdf32bb7381d681">node_impl</a>(Consumer &amp;&amp; consume_op) :</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      consume_op_{consume_op}</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  {}</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#afc455132624b89d0ad7cf4b3b83f9498">   90</a></span>&#160;  <span class="keywordtype">void</span> * <a class="code" href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#afc455132624b89d0ad7cf4b3b83f9498">svc</a>(Input * p_item) {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    consume_op_(*p_item);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keyword">operator</span> <span class="keyword">delete</span>(p_item, <a class="code" href="namespacegrppi_1_1detail__ff.html#a962751fa6395ebf8804aaf101910330f">ff_arena</a>);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordflow">return</span> GO_ON;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  }</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  Consumer consume_op_;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;};</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;} <span class="comment">// namespace detail_ff</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;} <span class="comment">// namespace grppi</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4_html_a5967e475fcad75b66cdf32bb7381d681"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#a5967e475fcad75b66cdf32bb7381d681">grppi::detail_ff::node_impl&lt; Input, void, Consumer &gt;::node_impl</a></div><div class="ttdeci">node_impl(Consumer &amp;&amp;consume_op)</div><div class="ttdef"><b>Definition:</b> simple_node.h:86</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4_html_afc455132624b89d0ad7cf4b3b83f9498"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl_3_01_input_00_01void_00_01_consumer_01_4.html#afc455132624b89d0ad7cf4b3b83f9498">grppi::detail_ff::node_impl&lt; Input, void, Consumer &gt;::svc</a></div><div class="ttdeci">void * svc(Input *p_item)</div><div class="ttdef"><b>Definition:</b> simple_node.h:90</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4_html_a88835076f460dc7b3428955a97f0166f"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#a88835076f460dc7b3428955a97f0166f">grppi::detail_ff::node_impl&lt; void, Output, Generator &gt;::svc</a></div><div class="ttdeci">void * svc(void *)</div><div class="ttdef"><b>Definition:</b> simple_node.h:63</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4_html_ac41f4a352dd3459834321bbc4aaa36c8"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl_3_01void_00_01_output_00_01_generator_01_4.html#ac41f4a352dd3459834321bbc4aaa36c8">grppi::detail_ff::node_impl&lt; void, Output, Generator &gt;::node_impl</a></div><div class="ttdeci">node_impl(Generator &amp;&amp;generate_op)</div><div class="ttdef"><b>Definition:</b> simple_node.h:59</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_html"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl.html">grppi::detail_ff::node_impl</a></div><div class="ttdoc">Fastflow node for a pipeline transformation stage.</div><div class="ttdef"><b>Definition:</b> simple_node.h:35</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_html_a19618783aec9ff4e9ac7682da1cd542c"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl.html#a19618783aec9ff4e9ac7682da1cd542c">grppi::detail_ff::node_impl::node_impl</a></div><div class="ttdeci">node_impl(Transformer &amp;&amp;transform_op)</div><div class="ttdef"><b>Definition:</b> simple_node.h:38</div></div>
<div class="ttc" id="aclassgrppi_1_1detail__ff_1_1node__impl_html_afca2a3e16d1d79239056f5fdf4bf3ab9"><div class="ttname"><a href="classgrppi_1_1detail__ff_1_1node__impl.html#afca2a3e16d1d79239056f5fdf4bf3ab9">grppi::detail_ff::node_impl::svc</a></div><div class="ttdeci">Output * svc(Input *p_item)</div><div class="ttdef"><b>Definition:</b> simple_node.h:42</div></div>
<div class="ttc" id="afastflow__allocator_8h_html"><div class="ttname"><a href="fastflow__allocator_8h.html">fastflow_allocator.h</a></div></div>
<div class="ttc" id="anamespacegrppi_1_1detail__ff_html_a962751fa6395ebf8804aaf101910330f"><div class="ttname"><a href="namespacegrppi_1_1detail__ff.html#a962751fa6395ebf8804aaf101910330f">grppi::detail_ff::ff_arena</a></div><div class="ttdeci">constexpr ff_arena_t ff_arena</div><div class="ttdoc">Fastflow arena object. This object will be passed to placement new/delete to use FastFlow allocation ...</div><div class="ttdef"><b>Definition:</b> fastflow_allocator.h:36</div></div>
<div class="ttc" id="anamespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:21</div></div>
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